Base | Representation |
---|---|
bin | 11000100111111101… |
… | …01101111100101000 |
3 | 1021010022222011210011 |
4 | 30103332231330220 |
5 | 204033322010440 |
6 | 10023452501304 |
7 | 645415040050 |
oct | 142376557450 |
9 | 37108864704 |
10 | 13220110120 |
11 | 5674453448 |
12 | 268b47a834 |
13 | 1328b7a589 |
14 | 8d5aa4560 |
15 | 52592e9ea |
hex | 313fadf28 |
13220110120 has 64 divisors (see below), whose sum is σ = 34636014720. Its totient is φ = 4447083264.
The previous prime is 13220110109. The next prime is 13220110121. The reversal of 13220110120 is 2101102231.
It is a self number, because there is not a number n which added to its sum of digits gives 13220110120.
It is not an unprimeable number, because it can be changed into a prime (13220110121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430582 + ... + 460261.
It is an arithmetic number, because the mean of its divisors is an integer number (541187730).
Almost surely, 213220110120 is an apocalyptic number.
13220110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13220110120 is an abundant number, since it is smaller than the sum of its proper divisors (21415904600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13220110120 is a wasteful number, since it uses less digits than its factorization.
13220110120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 890914 (or 890910 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 13220110120 its reverse (2101102231), we get a palindrome (15321212351).
The spelling of 13220110120 in words is "thirteen billion, two hundred twenty million, one hundred ten thousand, one hundred twenty".
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